-96.93% is the change from 618 to 19
Calculation steps:
[( 19 - 618 ) ÷ 618] x 100 = -96.93%
Formula
Percentage change = [(19 - 618) / 618] x 100
Subtract the new number by the original number
19 - 618 = -599
-599 ÷ 618 = -0.9692556634304207
-0.9692556634304207 x 100 = -96.93%